1.  The difficult part - at least before creating the advertising itself - is to evolve a creative strategy to meet the objectives.

2.  The difficult part is dealing with the personality of the patient, the so-called psychological or human factor.

3.  The most difficult part will be Deciding between the various shipping options.

4.  Now comes the difficult part.

5.  The most difficult part will be deciding which to choose.

6.  She had fast come to discover that the most difficult part of running the nightclub was the inevitable mountain of bookwork she had to contend with.

7.  The most difficult part as a captain is generally making decisions early and sticking to them.

8.  Any senior manager who recognises that difficult people constitute the most difficult part of their working life.

9.  Erm, difficult job, difficult part of the world for the trade union movement.

10.  And now he will pitch in the most difficult part of this Series for Atlanta.